初产妇，26岁。足月，规律宫缩3小时，胎心140次/分。产科检查头盆不相称，不可能出现的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32596' and id < 2591830 and id<>'2591830' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32596' and id > 2591830 and id<>'2591830' order by id asc limit 5